M., Garcia, A. Srpanj 1993. General study of group membership. II - Determination of nearby groups. Astronomy and Astrophysics Supplement Series (engleski). 100: 47. Bibcode:1993A&AS..100...47G. ISSN0365-0138
M., Garcia, A. Srpanj 1993. General study of group membership. II - Determination of nearby groups. Astronomy and Astrophysics Supplement Series (engleski). 100: 47. Bibcode:1993A&AS..100...47G. ISSN0365-0138